Convert Ajax,ActionLink to ajax

I have the following @Ajax.ActionLink in a partialview.

 @Ajax.ActionLink("Add", // <-- Text to display"MyMethod", // <-- Action Method Name
      new { id = item.ID, catid = item.CategoryID }, // <-- Route Values (parameter to pass to controller)
      new AjaxOptions
      {
          UpdateTargetId = (item.categories.Category + "Div").Replace(" ", ""), // <-- DOM element ID to update
          InsertionMode = InsertionMode.InsertAfter, // <-- Replace the content of DOM element
          OnSuccess = "removeDuplicateRows('.myclass')",
          HttpMethod = "GET" // <-- HTTP method
      },

I need to perform the same action from a JavaScript function. So I've got the below so far:

function(){
$.ajax({
            type: 'get',
            url: '@Url.Action("MyMethod")',
            contentType: 'application/json; charset=utf-8',
            dataType: 'html',
            data: { "id": id, "catid": catid},
            success: function (result) {
                // do things on success
            },
            error: function (ex) {
                // do things on fail
            }
        });
}

How can I convert the ActionLink options into the $.ajax function.

Thanks in advance
Adam